Dev Builds » 20250126-2145

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 06:48:00 583911 4004 1589 536 1879 +93.57 ± 4.97 5 91 767 1124 15 +200.71 ± 12.29
ncm-dbt-02 06:47:13 585863 3996 1535 512 1949 +90.97 ± 4.89 0 93 806 1082 17 +192.48 ± 11.96
ncm-dbt-03 06:48:12 588592 4000 1560 536 1904 +90.97 ± 4.93 1 95 801 1085 18 +192.47 ± 12.01
ncm-dbt-04 06:45:52 569912 4000 1583 483 1934 +98.07 ± 4.82 1 80 749 1158 12 +212.12 ± 12.42
ncm-dbt-05 06:48:16 584019 4000 1576 506 1918 +95.26 ± 4.86 2 80 780 1122 16 +204.07 ± 12.16
20000 7843 2573 9584 +93.76 ± 2.19 9 439 3903 5571 78 +200.29 ± 5.44

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
397236 ncm-dbt-01 582778 4 2 2 0 0.0 ± 17.0 0 0 2 0 0 -0.0 ± 15.22
397235 ncm-dbt-05 581818 500 198 61 241 +97.69 ± 13.5 0 8 100 139 3 +207.95 ± 33.99
397234 ncm-dbt-03 587197 500 201 67 232 +95.44 ± 14.4 0 11 100 133 6 +196.45 ± 34.12
397233 ncm-dbt-02 587409 496 182 58 256 +88.74 ± 13.9 0 10 108 126 4 +183.46 ± 32.62
397232 ncm-dbt-04 569749 500 194 51 255 +102.22 ± 14.02 0 11 88 148 3 +219.87 ± 36.54
397231 ncm-dbt-01 583028 500 199 71 230 +90.96 ± 13.72 0 12 99 138 1 +194.57 ± 34.34
397230 ncm-dbt-05 586943 500 188 60 252 +90.97 ± 14.62 1 14 93 140 2 +194.57 ± 35.52
397229 ncm-dbt-02 587494 500 197 59 244 +98.44 ± 14.29 0 15 83 151 1 +213.85 ± 37.6
397228 ncm-dbt-03 587962 500 192 77 231 +81.36 ± 14.54 0 19 98 132 1 +171.02 ± 34.58
397227 ncm-dbt-04 571712 500 194 51 255 +102.22 ± 12.87 0 7 93 150 0 +226.0 ± 35.35
397226 ncm-dbt-01 583028 500 205 72 223 +94.7 ± 14.24 1 11 94 142 2 +204.07 ± 35.31
397225 ncm-dbt-05 586181 500 193 57 250 +96.94 ± 13.96 1 10 92 146 1 +211.87 ± 35.7
397224 ncm-dbt-02 583321 500 198 73 229 +88.74 ± 12.88 0 7 112 130 1 +189.0 ± 31.75
397223 ncm-dbt-03 587409 500 192 63 245 +91.71 ± 13.73 0 9 107 130 4 +190.85 ± 32.75
397222 ncm-dbt-04 571551 500 209 70 221 +99.2 ± 13.83 0 12 88 149 1 +215.85 ± 36.55
397221 ncm-dbt-01 585379 500 193 54 253 +99.2 ± 14.45 3 7 89 150 1 +221.9 ± 36.31
397220 ncm-dbt-02 584201 500 205 63 232 +101.46 ± 14.01 0 10 92 144 4 +215.85 ± 35.68
397219 ncm-dbt-05 586731 500 206 63 231 +102.22 ± 13.21 0 8 92 149 1 +223.94 ± 35.61
397218 ncm-dbt-04 569909 500 194 54 252 +99.95 ± 13.68 0 11 89 149 1 +217.85 ± 36.33
397217 ncm-dbt-03 587622 500 188 70 242 +83.57 ± 13.71 0 14 104 132 0 +178.11 ± 33.48
397216 ncm-dbt-01 586012 500 212 50 238 +116.77 ± 14.04 0 7 81 155 7 +251.89 ± 38.11
397215 ncm-dbt-05 586604 500 195 64 241 +93.2 ± 14.06 0 12 98 137 3 +196.45 ± 34.53
397214 ncm-dbt-02 585674 500 187 67 246 +85.04 ± 14.78 0 20 91 138 1 +179.9 ± 35.84
397213 ncm-dbt-04 566967 500 192 66 242 +89.48 ± 14.0 0 15 94 141 0 +192.71 ± 35.33
397212 ncm-dbt-03 589027 500 203 74 223 +91.71 ± 13.26 0 8 107 133 2 +194.57 ± 32.69
397211 ncm-dbt-01 583447 500 189 76 235 +79.9 ± 14.92 1 19 97 132 1 +169.27 ± 34.75
397210 ncm-dbt-02 584285 500 179 67 254 +79.17 ± 13.45 0 13 112 125 0 +167.53 ± 32.08
397209 ncm-dbt-04 570589 500 197 71 232 +89.48 ± 14.0 0 12 103 132 3 +187.16 ± 33.6
397208 ncm-dbt-05 580987 500 192 72 236 +85.04 ± 14.35 0 16 100 132 2 +178.11 ± 34.22
397207 ncm-dbt-03 590868 500 184 59 257 +88.74 ± 14.86 1 16 92 139 2 +189.0 ± 35.7
397206 ncm-dbt-01 581028 500 201 70 229 +93.2 ± 13.91 0 12 97 139 2 +198.34 ± 34.72
397205 ncm-dbt-02 586562 500 200 57 243 +102.22 ± 13.37 0 6 99 141 4 +217.85 ± 34.06
397204 ncm-dbt-05 580696 500 207 63 230 +102.97 ± 13.04 0 7 93 149 1 +226.0 ± 35.35
397203 ncm-dbt-04 569310 500 204 62 234 +101.46 ± 13.85 1 7 94 145 3 +219.87 ± 35.19
397202 ncm-dbt-03 588771 500 198 69 233 +91.71 ± 13.73 0 10 104 133 3 +192.71 ± 33.34
397201 ncm-dbt-01 585337 500 195 72 233 +87.26 ± 13.49 0 12 103 135 0 +187.16 ± 33.6
397200 ncm-dbt-02 587962 500 187 68 245 +84.3 ± 13.73 0 12 109 127 2 +176.33 ± 32.55
397199 ncm-dbt-04 569509 500 199 58 243 +100.7 ± 12.69 0 5 100 144 1 +219.87 ± 33.78
397198 ncm-dbt-05 582193 500 197 66 237 +93.2 ± 12.95 0 5 112 130 3 +196.45 ± 31.58
397197 ncm-dbt-03 589882 500 202 57 241 +103.73 ± 13.05 0 8 89 153 0 +230.16 ± 36.26
397196 ncm-dbt-01 585169 500 193 69 238 +88.0 ± 13.5 0 11 105 133 1 +187.16 ± 33.21

Commit

Commit ID c180163540e18e818e6f5361e8b28d0785422a69
Author Robert Nurnberg @ elitebook
Date 2025-01-26 21:45:33 UTC
Update fastchess CI Version This PR updates the fastchess version used as part of the CI to the one used on fishtest, see https://github.com/official-stockfish/fishtest/pull/2180. Also change the name/repo from fast-chess to fastchess. closes https://github.com/official-stockfish/Stockfish/pull/5826 No functional change
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